<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 转准备一个容器 -->
    <div id="test"></div>
     <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <!-- 引入react-dom用于支持react操作dom -->
    <script type="text/javascript" src="../js/react-dom.development.js"></script>
    <!-- 引入babel,用于将jsx转为js -->
    <script type="text/javascript" src="../js/babel.min.js"></script>

    <script type="text/babel">  //此处写babel
     //1.创建虚拟dom
     const VDOM=<h1>Hello,react</h1>  //此处不要写引号，因为不是字符串
     //2.渲染虚拟dom到页面
     ReactDOM.render(VDOM,document.getElementById('test'))
    </script>
</body>
</html>